Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phi phap moi snippets" » "thi phap moi snippets", "phi phan moi snippets", "phi thap moi snippets", "phi phap mo snippets", "phi phap boi snippets", "phi pham moi snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("phi phap moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phi phap moi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phi phap moi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi phap moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.